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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.apache.commons.net.smtp;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    import java.io.BufferedReader;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.io.BufferedWriter;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.io.IOException;<a name="line.22"></a>
<FONT color="green">023</FONT>    import java.io.InputStreamReader;<a name="line.23"></a>
<FONT color="green">024</FONT>    import java.io.OutputStreamWriter;<a name="line.24"></a>
<FONT color="green">025</FONT>    import java.util.ArrayList;<a name="line.25"></a>
<FONT color="green">026</FONT>    import java.util.Arrays;<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>    import org.apache.commons.net.MalformedServerReplyException;<a name="line.28"></a>
<FONT color="green">029</FONT>    import org.apache.commons.net.ProtocolCommandListener;<a name="line.29"></a>
<FONT color="green">030</FONT>    import org.apache.commons.net.ProtocolCommandSupport;<a name="line.30"></a>
<FONT color="green">031</FONT>    import org.apache.commons.net.SocketClient;<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>    /***<a name="line.33"></a>
<FONT color="green">034</FONT>     * SMTP provides the basic the functionality necessary to implement your<a name="line.34"></a>
<FONT color="green">035</FONT>     * own SMTP client.  To derive the full benefits of the SMTP class requires<a name="line.35"></a>
<FONT color="green">036</FONT>     * some knowledge of the FTP protocol defined in RFC 821.  However, there<a name="line.36"></a>
<FONT color="green">037</FONT>     * is no reason why you should have to use the SMTP class.  The<a name="line.37"></a>
<FONT color="green">038</FONT>     * {@link org.apache.commons.net.smtp.SMTPClient} class,<a name="line.38"></a>
<FONT color="green">039</FONT>     * derived from SMTP,<a name="line.39"></a>
<FONT color="green">040</FONT>     * implements all the functionality required of an SMTP client.  The<a name="line.40"></a>
<FONT color="green">041</FONT>     * SMTP class is made public to provide access to various SMTP constants<a name="line.41"></a>
<FONT color="green">042</FONT>     * and to make it easier for adventurous programmers (or those with<a name="line.42"></a>
<FONT color="green">043</FONT>     * special needs) to interact with the SMTP protocol and implement their<a name="line.43"></a>
<FONT color="green">044</FONT>     * own clients.  A set of methods with names corresponding to the SMTP<a name="line.44"></a>
<FONT color="green">045</FONT>     * command names are provided to facilitate this interaction.<a name="line.45"></a>
<FONT color="green">046</FONT>     * &lt;p&gt;<a name="line.46"></a>
<FONT color="green">047</FONT>     * You should keep in mind that the SMTP server may choose to prematurely<a name="line.47"></a>
<FONT color="green">048</FONT>     * close a connection for various reasons.  The SMTP class will detect a<a name="line.48"></a>
<FONT color="green">049</FONT>     * premature SMTP server connection closing when it receives a<a name="line.49"></a>
<FONT color="green">050</FONT>     * {@link org.apache.commons.net.smtp.SMTPReply#SERVICE_NOT_AVAILABLE SMTPReply.SERVICE_NOT_AVAILABLE }<a name="line.50"></a>
<FONT color="green">051</FONT>     *  response to a command.<a name="line.51"></a>
<FONT color="green">052</FONT>     * When that occurs, the SMTP class method encountering that reply will throw<a name="line.52"></a>
<FONT color="green">053</FONT>     * an {@link org.apache.commons.net.smtp.SMTPConnectionClosedException}<a name="line.53"></a>
<FONT color="green">054</FONT>     * .<a name="line.54"></a>
<FONT color="green">055</FONT>     * &lt;code&gt;SMTPConectionClosedException&lt;/code&gt;<a name="line.55"></a>
<FONT color="green">056</FONT>     * is a subclass of &lt;code&gt; IOException &lt;/code&gt; and therefore need not be<a name="line.56"></a>
<FONT color="green">057</FONT>     * caught separately, but if you are going to catch it separately, its<a name="line.57"></a>
<FONT color="green">058</FONT>     * catch block must appear before the more general &lt;code&gt; IOException &lt;/code&gt;<a name="line.58"></a>
<FONT color="green">059</FONT>     * catch block.  When you encounter an<a name="line.59"></a>
<FONT color="green">060</FONT>     * {@link org.apache.commons.net.smtp.SMTPConnectionClosedException}<a name="line.60"></a>
<FONT color="green">061</FONT>     * , you must disconnect the connection with<a name="line.61"></a>
<FONT color="green">062</FONT>     * {@link org.apache.commons.net.SocketClient#disconnect  disconnect() }<a name="line.62"></a>
<FONT color="green">063</FONT>     * to properly clean up the system resources used by SMTP.  Before<a name="line.63"></a>
<FONT color="green">064</FONT>     * disconnecting, you may check the<a name="line.64"></a>
<FONT color="green">065</FONT>     * last reply code and text with<a name="line.65"></a>
<FONT color="green">066</FONT>     * {@link #getReplyCode  getReplyCode },<a name="line.66"></a>
<FONT color="green">067</FONT>     * {@link #getReplyString  getReplyString },<a name="line.67"></a>
<FONT color="green">068</FONT>     * and {@link #getReplyStrings  getReplyStrings}.<a name="line.68"></a>
<FONT color="green">069</FONT>     * &lt;p&gt;<a name="line.69"></a>
<FONT color="green">070</FONT>     * Rather than list it separately for each method, we mention here that<a name="line.70"></a>
<FONT color="green">071</FONT>     * every method communicating with the server and throwing an IOException<a name="line.71"></a>
<FONT color="green">072</FONT>     * can also throw a<a name="line.72"></a>
<FONT color="green">073</FONT>     * {@link org.apache.commons.net.MalformedServerReplyException}<a name="line.73"></a>
<FONT color="green">074</FONT>     * , which is a subclass<a name="line.74"></a>
<FONT color="green">075</FONT>     * of IOException.  A MalformedServerReplyException will be thrown when<a name="line.75"></a>
<FONT color="green">076</FONT>     * the reply received from the server deviates enough from the protocol<a name="line.76"></a>
<FONT color="green">077</FONT>     * specification that it cannot be interpreted in a useful manner despite<a name="line.77"></a>
<FONT color="green">078</FONT>     * attempts to be as lenient as possible.<a name="line.78"></a>
<FONT color="green">079</FONT>     * &lt;p&gt;<a name="line.79"></a>
<FONT color="green">080</FONT>     * &lt;p&gt;<a name="line.80"></a>
<FONT color="green">081</FONT>     * @author Daniel F. Savarese<a name="line.81"></a>
<FONT color="green">082</FONT>     * @see SMTPClient<a name="line.82"></a>
<FONT color="green">083</FONT>     * @see SMTPConnectionClosedException<a name="line.83"></a>
<FONT color="green">084</FONT>     * @see org.apache.commons.net.MalformedServerReplyException<a name="line.84"></a>
<FONT color="green">085</FONT>     ***/<a name="line.85"></a>
<FONT color="green">086</FONT>    <a name="line.86"></a>
<FONT color="green">087</FONT>    public class SMTP extends SocketClient<a name="line.87"></a>
<FONT color="green">088</FONT>    {<a name="line.88"></a>
<FONT color="green">089</FONT>        /*** The default SMTP port (25). ***/<a name="line.89"></a>
<FONT color="green">090</FONT>        public static final int DEFAULT_PORT = 25;<a name="line.90"></a>
<FONT color="green">091</FONT>    <a name="line.91"></a>
<FONT color="green">092</FONT>        // We have to ensure that the protocol communication is in ASCII<a name="line.92"></a>
<FONT color="green">093</FONT>        // but we use ISO-8859-1 just in case 8-bit characters cross<a name="line.93"></a>
<FONT color="green">094</FONT>        // the wire.<a name="line.94"></a>
<FONT color="green">095</FONT>        private static final String __DEFAULT_ENCODING = "ISO-8859-1";<a name="line.95"></a>
<FONT color="green">096</FONT>        <a name="line.96"></a>
<FONT color="green">097</FONT>        /** The encoding to use (user-settable) */<a name="line.97"></a>
<FONT color="green">098</FONT>        private String encoding = __DEFAULT_ENCODING;<a name="line.98"></a>
<FONT color="green">099</FONT>    <a name="line.99"></a>
<FONT color="green">100</FONT>        private StringBuffer __commandBuffer;<a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>        BufferedReader _reader;<a name="line.102"></a>
<FONT color="green">103</FONT>        BufferedWriter _writer;<a name="line.103"></a>
<FONT color="green">104</FONT>        int _replyCode;<a name="line.104"></a>
<FONT color="green">105</FONT>        ArrayList&lt;String&gt; _replyLines;<a name="line.105"></a>
<FONT color="green">106</FONT>        boolean _newReplyString;<a name="line.106"></a>
<FONT color="green">107</FONT>        String _replyString;<a name="line.107"></a>
<FONT color="green">108</FONT>    <a name="line.108"></a>
<FONT color="green">109</FONT>        /***<a name="line.109"></a>
<FONT color="green">110</FONT>         * A ProtocolCommandSupport object used to manage the registering of<a name="line.110"></a>
<FONT color="green">111</FONT>         * ProtocolCommandListeners and te firing of ProtocolCommandEvents.<a name="line.111"></a>
<FONT color="green">112</FONT>         ***/<a name="line.112"></a>
<FONT color="green">113</FONT>        protected ProtocolCommandSupport _commandSupport_;<a name="line.113"></a>
<FONT color="green">114</FONT>    <a name="line.114"></a>
<FONT color="green">115</FONT>        /***<a name="line.115"></a>
<FONT color="green">116</FONT>         * The default SMTP constructor.  Sets the default port to<a name="line.116"></a>
<FONT color="green">117</FONT>         * &lt;code&gt;DEFAULT_PORT&lt;/code&gt; and initializes internal data structures<a name="line.117"></a>
<FONT color="green">118</FONT>         * for saving SMTP reply information.<a name="line.118"></a>
<FONT color="green">119</FONT>         ***/<a name="line.119"></a>
<FONT color="green">120</FONT>        public SMTP()<a name="line.120"></a>
<FONT color="green">121</FONT>        {<a name="line.121"></a>
<FONT color="green">122</FONT>            setDefaultPort(DEFAULT_PORT);<a name="line.122"></a>
<FONT color="green">123</FONT>            __commandBuffer = new StringBuffer();<a name="line.123"></a>
<FONT color="green">124</FONT>            _replyLines = new ArrayList&lt;String&gt;();<a name="line.124"></a>
<FONT color="green">125</FONT>            _newReplyString = false;<a name="line.125"></a>
<FONT color="green">126</FONT>            _replyString = null;<a name="line.126"></a>
<FONT color="green">127</FONT>            _commandSupport_ = new ProtocolCommandSupport(this);<a name="line.127"></a>
<FONT color="green">128</FONT>        }<a name="line.128"></a>
<FONT color="green">129</FONT>        <a name="line.129"></a>
<FONT color="green">130</FONT>        /**<a name="line.130"></a>
<FONT color="green">131</FONT>         * Overloaded constructor where the user may specify a default encoding.<a name="line.131"></a>
<FONT color="green">132</FONT>         * @param encoding<a name="line.132"></a>
<FONT color="green">133</FONT>         * @since 2.0<a name="line.133"></a>
<FONT color="green">134</FONT>         */<a name="line.134"></a>
<FONT color="green">135</FONT>        public SMTP(String encoding) {<a name="line.135"></a>
<FONT color="green">136</FONT>            this();<a name="line.136"></a>
<FONT color="green">137</FONT>            this.encoding = encoding;<a name="line.137"></a>
<FONT color="green">138</FONT>        }<a name="line.138"></a>
<FONT color="green">139</FONT>    <a name="line.139"></a>
<FONT color="green">140</FONT>        private int __sendCommand(String command, String args, boolean includeSpace)<a name="line.140"></a>
<FONT color="green">141</FONT>        throws IOException<a name="line.141"></a>
<FONT color="green">142</FONT>        {<a name="line.142"></a>
<FONT color="green">143</FONT>            String message;<a name="line.143"></a>
<FONT color="green">144</FONT>    <a name="line.144"></a>
<FONT color="green">145</FONT>            __commandBuffer.setLength(0);<a name="line.145"></a>
<FONT color="green">146</FONT>            __commandBuffer.append(command);<a name="line.146"></a>
<FONT color="green">147</FONT>    <a name="line.147"></a>
<FONT color="green">148</FONT>            if (args != null)<a name="line.148"></a>
<FONT color="green">149</FONT>            {<a name="line.149"></a>
<FONT color="green">150</FONT>                if (includeSpace)<a name="line.150"></a>
<FONT color="green">151</FONT>                    __commandBuffer.append(' ');<a name="line.151"></a>
<FONT color="green">152</FONT>                __commandBuffer.append(args);<a name="line.152"></a>
<FONT color="green">153</FONT>            }<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>            __commandBuffer.append(SocketClient.NETASCII_EOL);<a name="line.155"></a>
<FONT color="green">156</FONT>    <a name="line.156"></a>
<FONT color="green">157</FONT>            _writer.write(message = __commandBuffer.toString());<a name="line.157"></a>
<FONT color="green">158</FONT>            _writer.flush();<a name="line.158"></a>
<FONT color="green">159</FONT>    <a name="line.159"></a>
<FONT color="green">160</FONT>            if (_commandSupport_.getListenerCount() &gt; 0)<a name="line.160"></a>
<FONT color="green">161</FONT>                _commandSupport_.fireCommandSent(command, message);<a name="line.161"></a>
<FONT color="green">162</FONT>    <a name="line.162"></a>
<FONT color="green">163</FONT>            __getReply();<a name="line.163"></a>
<FONT color="green">164</FONT>            return _replyCode;<a name="line.164"></a>
<FONT color="green">165</FONT>        }<a name="line.165"></a>
<FONT color="green">166</FONT>    <a name="line.166"></a>
<FONT color="green">167</FONT>        private int __sendCommand(int command, String args, boolean includeSpace)<a name="line.167"></a>
<FONT color="green">168</FONT>        throws IOException<a name="line.168"></a>
<FONT color="green">169</FONT>        {<a name="line.169"></a>
<FONT color="green">170</FONT>            return __sendCommand(SMTPCommand._commands[command], args, includeSpace);<a name="line.170"></a>
<FONT color="green">171</FONT>        }<a name="line.171"></a>
<FONT color="green">172</FONT>    <a name="line.172"></a>
<FONT color="green">173</FONT>        private void __getReply() throws IOException<a name="line.173"></a>
<FONT color="green">174</FONT>        {<a name="line.174"></a>
<FONT color="green">175</FONT>            int length;<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>            _newReplyString = true;<a name="line.177"></a>
<FONT color="green">178</FONT>            _replyLines.clear();<a name="line.178"></a>
<FONT color="green">179</FONT>    <a name="line.179"></a>
<FONT color="green">180</FONT>            String line = _reader.readLine();<a name="line.180"></a>
<FONT color="green">181</FONT>    <a name="line.181"></a>
<FONT color="green">182</FONT>            if (line == null)<a name="line.182"></a>
<FONT color="green">183</FONT>                throw new SMTPConnectionClosedException(<a name="line.183"></a>
<FONT color="green">184</FONT>                    "Connection closed without indication.");<a name="line.184"></a>
<FONT color="green">185</FONT>    <a name="line.185"></a>
<FONT color="green">186</FONT>            // In case we run into an anomaly we don't want fatal index exceptions<a name="line.186"></a>
<FONT color="green">187</FONT>            // to be thrown.<a name="line.187"></a>
<FONT color="green">188</FONT>            length = line.length();<a name="line.188"></a>
<FONT color="green">189</FONT>            if (length &lt; 3)<a name="line.189"></a>
<FONT color="green">190</FONT>                throw new MalformedServerReplyException(<a name="line.190"></a>
<FONT color="green">191</FONT>                    "Truncated server reply: " + line);<a name="line.191"></a>
<FONT color="green">192</FONT>    <a name="line.192"></a>
<FONT color="green">193</FONT>            try<a name="line.193"></a>
<FONT color="green">194</FONT>            {<a name="line.194"></a>
<FONT color="green">195</FONT>                String code = line.substring(0, 3);<a name="line.195"></a>
<FONT color="green">196</FONT>                _replyCode = Integer.parseInt(code);<a name="line.196"></a>
<FONT color="green">197</FONT>            }<a name="line.197"></a>
<FONT color="green">198</FONT>            catch (NumberFormatException e)<a name="line.198"></a>
<FONT color="green">199</FONT>            {<a name="line.199"></a>
<FONT color="green">200</FONT>                throw new MalformedServerReplyException(<a name="line.200"></a>
<FONT color="green">201</FONT>                    "Could not parse response code.\nServer Reply: " + line);<a name="line.201"></a>
<FONT color="green">202</FONT>            }<a name="line.202"></a>
<FONT color="green">203</FONT>    <a name="line.203"></a>
<FONT color="green">204</FONT>            _replyLines.add(line);<a name="line.204"></a>
<FONT color="green">205</FONT>    <a name="line.205"></a>
<FONT color="green">206</FONT>            // Get extra lines if message continues.<a name="line.206"></a>
<FONT color="green">207</FONT>            if (length &gt; 3 &amp;&amp; line.charAt(3) == '-')<a name="line.207"></a>
<FONT color="green">208</FONT>            {<a name="line.208"></a>
<FONT color="green">209</FONT>                do<a name="line.209"></a>
<FONT color="green">210</FONT>                {<a name="line.210"></a>
<FONT color="green">211</FONT>                    line = _reader.readLine();<a name="line.211"></a>
<FONT color="green">212</FONT>    <a name="line.212"></a>
<FONT color="green">213</FONT>                    if (line == null)<a name="line.213"></a>
<FONT color="green">214</FONT>                        throw new SMTPConnectionClosedException(<a name="line.214"></a>
<FONT color="green">215</FONT>                            "Connection closed without indication.");<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>                    _replyLines.add(line);<a name="line.217"></a>
<FONT color="green">218</FONT>    <a name="line.218"></a>
<FONT color="green">219</FONT>                    // The length() check handles problems that could arise from readLine()<a name="line.219"></a>
<FONT color="green">220</FONT>                    // returning too soon after encountering a naked CR or some other<a name="line.220"></a>
<FONT color="green">221</FONT>                    // anomaly.<a name="line.221"></a>
<FONT color="green">222</FONT>                }<a name="line.222"></a>
<FONT color="green">223</FONT>                while (!(line.length() &gt;= 4 &amp;&amp; line.charAt(3) != '-' &amp;&amp;<a name="line.223"></a>
<FONT color="green">224</FONT>                         Character.isDigit(line.charAt(0))));<a name="line.224"></a>
<FONT color="green">225</FONT>                // This is too strong a condition because a non-conforming server<a name="line.225"></a>
<FONT color="green">226</FONT>                // could screw things up like ftp.funet.fi does for FTP<a name="line.226"></a>
<FONT color="green">227</FONT>                // line.startsWith(code)));<a name="line.227"></a>
<FONT color="green">228</FONT>            }<a name="line.228"></a>
<FONT color="green">229</FONT>    <a name="line.229"></a>
<FONT color="green">230</FONT>            if (_commandSupport_.getListenerCount() &gt; 0)<a name="line.230"></a>
<FONT color="green">231</FONT>                _commandSupport_.fireReplyReceived(_replyCode, getReplyString());<a name="line.231"></a>
<FONT color="green">232</FONT>    <a name="line.232"></a>
<FONT color="green">233</FONT>            if (_replyCode == SMTPReply.SERVICE_NOT_AVAILABLE)<a name="line.233"></a>
<FONT color="green">234</FONT>                throw new SMTPConnectionClosedException(<a name="line.234"></a>
<FONT color="green">235</FONT>                    "SMTP response 421 received.  Server closed connection.");<a name="line.235"></a>
<FONT color="green">236</FONT>        }<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>        /*** Initiates control connections and gets initial reply. ***/<a name="line.238"></a>
<FONT color="green">239</FONT>        @Override<a name="line.239"></a>
<FONT color="green">240</FONT>        protected void _connectAction_() throws IOException<a name="line.240"></a>
<FONT color="green">241</FONT>        {<a name="line.241"></a>
<FONT color="green">242</FONT>            super._connectAction_();<a name="line.242"></a>
<FONT color="green">243</FONT>            _reader =<a name="line.243"></a>
<FONT color="green">244</FONT>                new BufferedReader(new InputStreamReader(_input_,<a name="line.244"></a>
<FONT color="green">245</FONT>                                                        encoding));<a name="line.245"></a>
<FONT color="green">246</FONT>            _writer =<a name="line.246"></a>
<FONT color="green">247</FONT>                new BufferedWriter(new OutputStreamWriter(_output_,<a name="line.247"></a>
<FONT color="green">248</FONT>                                                          encoding));<a name="line.248"></a>
<FONT color="green">249</FONT>            __getReply();<a name="line.249"></a>
<FONT color="green">250</FONT>            <a name="line.250"></a>
<FONT color="green">251</FONT>        }<a name="line.251"></a>
<FONT color="green">252</FONT>    <a name="line.252"></a>
<FONT color="green">253</FONT>    <a name="line.253"></a>
<FONT color="green">254</FONT>        /***<a name="line.254"></a>
<FONT color="green">255</FONT>         * Adds a ProtocolCommandListener.  Delegates this task to<a name="line.255"></a>
<FONT color="green">256</FONT>         * {@link #_commandSupport_  _commandSupport_ }.<a name="line.256"></a>
<FONT color="green">257</FONT>         * &lt;p&gt;<a name="line.257"></a>
<FONT color="green">258</FONT>         * @param listener  The ProtocolCommandListener to add.<a name="line.258"></a>
<FONT color="green">259</FONT>         ***/<a name="line.259"></a>
<FONT color="green">260</FONT>        public void addProtocolCommandListener(ProtocolCommandListener listener)<a name="line.260"></a>
<FONT color="green">261</FONT>        {<a name="line.261"></a>
<FONT color="green">262</FONT>            _commandSupport_.addProtocolCommandListener(listener);<a name="line.262"></a>
<FONT color="green">263</FONT>        }<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>        /***<a name="line.265"></a>
<FONT color="green">266</FONT>         * Removes a ProtocolCommandListener.  Delegates this task to<a name="line.266"></a>
<FONT color="green">267</FONT>         * {@link #_commandSupport_  _commandSupport_ }.<a name="line.267"></a>
<FONT color="green">268</FONT>         * &lt;p&gt;<a name="line.268"></a>
<FONT color="green">269</FONT>         * @param listener  The ProtocolCommandListener to remove.<a name="line.269"></a>
<FONT color="green">270</FONT>         ***/<a name="line.270"></a>
<FONT color="green">271</FONT>        public void removeProtocolCommandistener(ProtocolCommandListener listener)<a name="line.271"></a>
<FONT color="green">272</FONT>        {<a name="line.272"></a>
<FONT color="green">273</FONT>            _commandSupport_.removeProtocolCommandListener(listener);<a name="line.273"></a>
<FONT color="green">274</FONT>        }<a name="line.274"></a>
<FONT color="green">275</FONT>    <a name="line.275"></a>
<FONT color="green">276</FONT>    <a name="line.276"></a>
<FONT color="green">277</FONT>        /***<a name="line.277"></a>
<FONT color="green">278</FONT>         * Closes the connection to the SMTP server and sets to null<a name="line.278"></a>
<FONT color="green">279</FONT>         * some internal data so that the memory may be reclaimed by the<a name="line.279"></a>
<FONT color="green">280</FONT>         * garbage collector.  The reply text and code information from the<a name="line.280"></a>
<FONT color="green">281</FONT>         * last command is voided so that the memory it used may be reclaimed.<a name="line.281"></a>
<FONT color="green">282</FONT>         * &lt;p&gt;<a name="line.282"></a>
<FONT color="green">283</FONT>         * @exception IOException If an error occurs while disconnecting.<a name="line.283"></a>
<FONT color="green">284</FONT>         ***/<a name="line.284"></a>
<FONT color="green">285</FONT>        @Override<a name="line.285"></a>
<FONT color="green">286</FONT>        public void disconnect() throws IOException<a name="line.286"></a>
<FONT color="green">287</FONT>        {<a name="line.287"></a>
<FONT color="green">288</FONT>            super.disconnect();<a name="line.288"></a>
<FONT color="green">289</FONT>            _reader = null;<a name="line.289"></a>
<FONT color="green">290</FONT>            _writer = null;<a name="line.290"></a>
<FONT color="green">291</FONT>            _replyString = null;<a name="line.291"></a>
<FONT color="green">292</FONT>            _replyLines.clear();<a name="line.292"></a>
<FONT color="green">293</FONT>            _newReplyString = false;<a name="line.293"></a>
<FONT color="green">294</FONT>        }<a name="line.294"></a>
<FONT color="green">295</FONT>    <a name="line.295"></a>
<FONT color="green">296</FONT>    <a name="line.296"></a>
<FONT color="green">297</FONT>        /***<a name="line.297"></a>
<FONT color="green">298</FONT>         * Sends an SMTP command to the server, waits for a reply and returns the<a name="line.298"></a>
<FONT color="green">299</FONT>         * numerical response code.  After invocation, for more detailed<a name="line.299"></a>
<FONT color="green">300</FONT>         * information, the actual reply text can be accessed by calling<a name="line.300"></a>
<FONT color="green">301</FONT>         * {@link #getReplyString  getReplyString } or<a name="line.301"></a>
<FONT color="green">302</FONT>         * {@link #getReplyStrings  getReplyStrings }.<a name="line.302"></a>
<FONT color="green">303</FONT>         * &lt;p&gt;<a name="line.303"></a>
<FONT color="green">304</FONT>         * @param command  The text representation of the  SMTP command to send.<a name="line.304"></a>
<FONT color="green">305</FONT>         * @param args The arguments to the SMTP command.  If this parameter is<a name="line.305"></a>
<FONT color="green">306</FONT>         *             set to null, then the command is sent with no argument.<a name="line.306"></a>
<FONT color="green">307</FONT>         * @return The integer value of the SMTP reply code returned by the server<a name="line.307"></a>
<FONT color="green">308</FONT>         *         in response to the command.<a name="line.308"></a>
<FONT color="green">309</FONT>         * @exception SMTPConnectionClosedException<a name="line.309"></a>
<FONT color="green">310</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.310"></a>
<FONT color="green">311</FONT>         *      of the client being idle or some other reason causing the server<a name="line.311"></a>
<FONT color="green">312</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.312"></a>
<FONT color="green">313</FONT>         *      as an IOException or independently as itself.<a name="line.313"></a>
<FONT color="green">314</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.314"></a>
<FONT color="green">315</FONT>         *      command or receiving the server reply.<a name="line.315"></a>
<FONT color="green">316</FONT>         ***/<a name="line.316"></a>
<FONT color="green">317</FONT>        public int sendCommand(String command, String args) throws IOException<a name="line.317"></a>
<FONT color="green">318</FONT>        {<a name="line.318"></a>
<FONT color="green">319</FONT>            return __sendCommand(command, args, true);<a name="line.319"></a>
<FONT color="green">320</FONT>        }<a name="line.320"></a>
<FONT color="green">321</FONT>    <a name="line.321"></a>
<FONT color="green">322</FONT>    <a name="line.322"></a>
<FONT color="green">323</FONT>        /***<a name="line.323"></a>
<FONT color="green">324</FONT>         * Sends an SMTP command to the server, waits for a reply and returns the<a name="line.324"></a>
<FONT color="green">325</FONT>         * numerical response code.  After invocation, for more detailed<a name="line.325"></a>
<FONT color="green">326</FONT>         * information, the actual reply text can be accessed by calling<a name="line.326"></a>
<FONT color="green">327</FONT>         * {@link #getReplyString  getReplyString } or<a name="line.327"></a>
<FONT color="green">328</FONT>         * {@link #getReplyStrings  getReplyStrings }.<a name="line.328"></a>
<FONT color="green">329</FONT>         * &lt;p&gt;<a name="line.329"></a>
<FONT color="green">330</FONT>         * @param command  The SMTPCommand constant corresponding to the SMTP command<a name="line.330"></a>
<FONT color="green">331</FONT>         *                 to send.<a name="line.331"></a>
<FONT color="green">332</FONT>         * @param args The arguments to the SMTP command.  If this parameter is<a name="line.332"></a>
<FONT color="green">333</FONT>         *             set to null, then the command is sent with no argument.<a name="line.333"></a>
<FONT color="green">334</FONT>         * @return The integer value of the SMTP reply code returned by the server<a name="line.334"></a>
<FONT color="green">335</FONT>         *         in response to the command.<a name="line.335"></a>
<FONT color="green">336</FONT>         * @exception SMTPConnectionClosedException<a name="line.336"></a>
<FONT color="green">337</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.337"></a>
<FONT color="green">338</FONT>         *      of the client being idle or some other reason causing the server<a name="line.338"></a>
<FONT color="green">339</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.339"></a>
<FONT color="green">340</FONT>         *      as an IOException or independently as itself.<a name="line.340"></a>
<FONT color="green">341</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.341"></a>
<FONT color="green">342</FONT>         *      command or receiving the server reply.<a name="line.342"></a>
<FONT color="green">343</FONT>         ***/<a name="line.343"></a>
<FONT color="green">344</FONT>        public int sendCommand(int command, String args) throws IOException<a name="line.344"></a>
<FONT color="green">345</FONT>        {<a name="line.345"></a>
<FONT color="green">346</FONT>            return sendCommand(SMTPCommand._commands[command], args);<a name="line.346"></a>
<FONT color="green">347</FONT>        }<a name="line.347"></a>
<FONT color="green">348</FONT>    <a name="line.348"></a>
<FONT color="green">349</FONT>    <a name="line.349"></a>
<FONT color="green">350</FONT>        /***<a name="line.350"></a>
<FONT color="green">351</FONT>         * Sends an SMTP command with no arguments to the server, waits for a<a name="line.351"></a>
<FONT color="green">352</FONT>         * reply and returns the numerical response code.  After invocation, for<a name="line.352"></a>
<FONT color="green">353</FONT>         * more detailed information, the actual reply text can be accessed by<a name="line.353"></a>
<FONT color="green">354</FONT>         * calling {@link #getReplyString  getReplyString } or<a name="line.354"></a>
<FONT color="green">355</FONT>         * {@link #getReplyStrings  getReplyStrings }.<a name="line.355"></a>
<FONT color="green">356</FONT>         * &lt;p&gt;<a name="line.356"></a>
<FONT color="green">357</FONT>         * @param command  The text representation of the  SMTP command to send.<a name="line.357"></a>
<FONT color="green">358</FONT>         * @return The integer value of the SMTP reply code returned by the server<a name="line.358"></a>
<FONT color="green">359</FONT>         *         in response to the command.<a name="line.359"></a>
<FONT color="green">360</FONT>         * @exception SMTPConnectionClosedException<a name="line.360"></a>
<FONT color="green">361</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.361"></a>
<FONT color="green">362</FONT>         *      of the client being idle or some other reason causing the server<a name="line.362"></a>
<FONT color="green">363</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.363"></a>
<FONT color="green">364</FONT>         *      as an IOException or independently as itself.<a name="line.364"></a>
<FONT color="green">365</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.365"></a>
<FONT color="green">366</FONT>         *      command or receiving the server reply.<a name="line.366"></a>
<FONT color="green">367</FONT>         ***/<a name="line.367"></a>
<FONT color="green">368</FONT>        public int sendCommand(String command) throws IOException<a name="line.368"></a>
<FONT color="green">369</FONT>        {<a name="line.369"></a>
<FONT color="green">370</FONT>            return sendCommand(command, null);<a name="line.370"></a>
<FONT color="green">371</FONT>        }<a name="line.371"></a>
<FONT color="green">372</FONT>    <a name="line.372"></a>
<FONT color="green">373</FONT>    <a name="line.373"></a>
<FONT color="green">374</FONT>        /***<a name="line.374"></a>
<FONT color="green">375</FONT>         * Sends an SMTP command with no arguments to the server, waits for a<a name="line.375"></a>
<FONT color="green">376</FONT>         * reply and returns the numerical response code.  After invocation, for<a name="line.376"></a>
<FONT color="green">377</FONT>         * more detailed information, the actual reply text can be accessed by<a name="line.377"></a>
<FONT color="green">378</FONT>         * calling {@link #getReplyString  getReplyString } or<a name="line.378"></a>
<FONT color="green">379</FONT>         * {@link #getReplyStrings  getReplyStrings }.<a name="line.379"></a>
<FONT color="green">380</FONT>         * &lt;p&gt;<a name="line.380"></a>
<FONT color="green">381</FONT>         * @param command  The SMTPCommand constant corresponding to the SMTP command<a name="line.381"></a>
<FONT color="green">382</FONT>         *                 to send.<a name="line.382"></a>
<FONT color="green">383</FONT>         * @return The integer value of the SMTP reply code returned by the server<a name="line.383"></a>
<FONT color="green">384</FONT>         *         in response to the command.<a name="line.384"></a>
<FONT color="green">385</FONT>         * @exception SMTPConnectionClosedException<a name="line.385"></a>
<FONT color="green">386</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.386"></a>
<FONT color="green">387</FONT>         *      of the client being idle or some other reason causing the server<a name="line.387"></a>
<FONT color="green">388</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.388"></a>
<FONT color="green">389</FONT>         *      as an IOException or independently as itself.<a name="line.389"></a>
<FONT color="green">390</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.390"></a>
<FONT color="green">391</FONT>         *      command or receiving the server reply.<a name="line.391"></a>
<FONT color="green">392</FONT>         ***/<a name="line.392"></a>
<FONT color="green">393</FONT>        public int sendCommand(int command) throws IOException<a name="line.393"></a>
<FONT color="green">394</FONT>        {<a name="line.394"></a>
<FONT color="green">395</FONT>            return sendCommand(command, null);<a name="line.395"></a>
<FONT color="green">396</FONT>        }<a name="line.396"></a>
<FONT color="green">397</FONT>    <a name="line.397"></a>
<FONT color="green">398</FONT>    <a name="line.398"></a>
<FONT color="green">399</FONT>        /***<a name="line.399"></a>
<FONT color="green">400</FONT>         * Returns the integer value of the reply code of the last SMTP reply.<a name="line.400"></a>
<FONT color="green">401</FONT>         * You will usually only use this method after you connect to the<a name="line.401"></a>
<FONT color="green">402</FONT>         * SMTP server to check that the connection was successful since<a name="line.402"></a>
<FONT color="green">403</FONT>         * &lt;code&gt; connect &lt;/code&gt; is of type void.<a name="line.403"></a>
<FONT color="green">404</FONT>         * &lt;p&gt;<a name="line.404"></a>
<FONT color="green">405</FONT>         * @return The integer value of the reply code of the last SMTP reply.<a name="line.405"></a>
<FONT color="green">406</FONT>         ***/<a name="line.406"></a>
<FONT color="green">407</FONT>        public int getReplyCode()<a name="line.407"></a>
<FONT color="green">408</FONT>        {<a name="line.408"></a>
<FONT color="green">409</FONT>            return _replyCode;<a name="line.409"></a>
<FONT color="green">410</FONT>        }<a name="line.410"></a>
<FONT color="green">411</FONT>    <a name="line.411"></a>
<FONT color="green">412</FONT>        /***<a name="line.412"></a>
<FONT color="green">413</FONT>         * Fetches a reply from the SMTP server and returns the integer reply<a name="line.413"></a>
<FONT color="green">414</FONT>         * code.  After calling this method, the actual reply text can be accessed<a name="line.414"></a>
<FONT color="green">415</FONT>         * from either  calling {@link #getReplyString  getReplyString } or<a name="line.415"></a>
<FONT color="green">416</FONT>         * {@link #getReplyStrings  getReplyStrings }.  Only use this<a name="line.416"></a>
<FONT color="green">417</FONT>         * method if you are implementing your own SMTP client or if you need to<a name="line.417"></a>
<FONT color="green">418</FONT>         * fetch a secondary response from the SMTP server.<a name="line.418"></a>
<FONT color="green">419</FONT>         * &lt;p&gt;<a name="line.419"></a>
<FONT color="green">420</FONT>         * @return The integer value of the reply code of the fetched SMTP reply.<a name="line.420"></a>
<FONT color="green">421</FONT>         * @exception SMTPConnectionClosedException<a name="line.421"></a>
<FONT color="green">422</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.422"></a>
<FONT color="green">423</FONT>         *      of the client being idle or some other reason causing the server<a name="line.423"></a>
<FONT color="green">424</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.424"></a>
<FONT color="green">425</FONT>         *      as an IOException or independently as itself.<a name="line.425"></a>
<FONT color="green">426</FONT>         * @exception IOException  If an I/O error occurs while receiving the<a name="line.426"></a>
<FONT color="green">427</FONT>         *                         server reply.<a name="line.427"></a>
<FONT color="green">428</FONT>         ***/<a name="line.428"></a>
<FONT color="green">429</FONT>        public int getReply() throws IOException<a name="line.429"></a>
<FONT color="green">430</FONT>        {<a name="line.430"></a>
<FONT color="green">431</FONT>            __getReply();<a name="line.431"></a>
<FONT color="green">432</FONT>            return _replyCode;<a name="line.432"></a>
<FONT color="green">433</FONT>        }<a name="line.433"></a>
<FONT color="green">434</FONT>    <a name="line.434"></a>
<FONT color="green">435</FONT>    <a name="line.435"></a>
<FONT color="green">436</FONT>        /***<a name="line.436"></a>
<FONT color="green">437</FONT>         * Returns the lines of text from the last SMTP server response as an array<a name="line.437"></a>
<FONT color="green">438</FONT>         * of strings, one entry per line.  The end of line markers of each are<a name="line.438"></a>
<FONT color="green">439</FONT>         * stripped from each line.<a name="line.439"></a>
<FONT color="green">440</FONT>         * &lt;p&gt;<a name="line.440"></a>
<FONT color="green">441</FONT>         * @return The lines of text from the last SMTP response as an array.<a name="line.441"></a>
<FONT color="green">442</FONT>         ***/<a name="line.442"></a>
<FONT color="green">443</FONT>        public String[] getReplyStrings()<a name="line.443"></a>
<FONT color="green">444</FONT>        {<a name="line.444"></a>
<FONT color="green">445</FONT>            String[] lines;<a name="line.445"></a>
<FONT color="green">446</FONT>            lines = new String[_replyLines.size()];<a name="line.446"></a>
<FONT color="green">447</FONT>            _replyLines.addAll(Arrays.asList(lines));<a name="line.447"></a>
<FONT color="green">448</FONT>            return lines;<a name="line.448"></a>
<FONT color="green">449</FONT>        }<a name="line.449"></a>
<FONT color="green">450</FONT>    <a name="line.450"></a>
<FONT color="green">451</FONT>        /***<a name="line.451"></a>
<FONT color="green">452</FONT>         * Returns the entire text of the last SMTP server response exactly<a name="line.452"></a>
<FONT color="green">453</FONT>         * as it was received, including all end of line markers in NETASCII<a name="line.453"></a>
<FONT color="green">454</FONT>         * format.<a name="line.454"></a>
<FONT color="green">455</FONT>         * &lt;p&gt;<a name="line.455"></a>
<FONT color="green">456</FONT>         * @return The entire text from the last SMTP response as a String.<a name="line.456"></a>
<FONT color="green">457</FONT>         ***/<a name="line.457"></a>
<FONT color="green">458</FONT>        public String getReplyString()<a name="line.458"></a>
<FONT color="green">459</FONT>        {<a name="line.459"></a>
<FONT color="green">460</FONT>            StringBuilder buffer;<a name="line.460"></a>
<FONT color="green">461</FONT>    <a name="line.461"></a>
<FONT color="green">462</FONT>            if (!_newReplyString)<a name="line.462"></a>
<FONT color="green">463</FONT>                return _replyString;<a name="line.463"></a>
<FONT color="green">464</FONT>    <a name="line.464"></a>
<FONT color="green">465</FONT>            buffer = new StringBuilder();<a name="line.465"></a>
<FONT color="green">466</FONT>            <a name="line.466"></a>
<FONT color="green">467</FONT>            for (String line : _replyLines)<a name="line.467"></a>
<FONT color="green">468</FONT>            {<a name="line.468"></a>
<FONT color="green">469</FONT>                buffer.append(line);<a name="line.469"></a>
<FONT color="green">470</FONT>                buffer.append(SocketClient.NETASCII_EOL);<a name="line.470"></a>
<FONT color="green">471</FONT>            }<a name="line.471"></a>
<FONT color="green">472</FONT>    <a name="line.472"></a>
<FONT color="green">473</FONT>            _newReplyString = false;<a name="line.473"></a>
<FONT color="green">474</FONT>    <a name="line.474"></a>
<FONT color="green">475</FONT>            return (_replyString = buffer.toString());<a name="line.475"></a>
<FONT color="green">476</FONT>        }<a name="line.476"></a>
<FONT color="green">477</FONT>    <a name="line.477"></a>
<FONT color="green">478</FONT>    <a name="line.478"></a>
<FONT color="green">479</FONT>        /***<a name="line.479"></a>
<FONT color="green">480</FONT>         * A convenience method to send the SMTP HELO command to the server,<a name="line.480"></a>
<FONT color="green">481</FONT>         * receive the reply, and return the reply code.<a name="line.481"></a>
<FONT color="green">482</FONT>         * &lt;p&gt;<a name="line.482"></a>
<FONT color="green">483</FONT>         * @param hostname The hostname of the sender.<a name="line.483"></a>
<FONT color="green">484</FONT>         * @return The reply code received from the server.<a name="line.484"></a>
<FONT color="green">485</FONT>         * @exception SMTPConnectionClosedException<a name="line.485"></a>
<FONT color="green">486</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.486"></a>
<FONT color="green">487</FONT>         *      of the client being idle or some other reason causing the server<a name="line.487"></a>
<FONT color="green">488</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.488"></a>
<FONT color="green">489</FONT>         *      as an IOException or independently as itself.<a name="line.489"></a>
<FONT color="green">490</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.490"></a>
<FONT color="green">491</FONT>         *      command or receiving the server reply.<a name="line.491"></a>
<FONT color="green">492</FONT>         ***/<a name="line.492"></a>
<FONT color="green">493</FONT>        public int helo(String hostname) throws IOException<a name="line.493"></a>
<FONT color="green">494</FONT>        {<a name="line.494"></a>
<FONT color="green">495</FONT>            return sendCommand(SMTPCommand.HELO, hostname);<a name="line.495"></a>
<FONT color="green">496</FONT>        }<a name="line.496"></a>
<FONT color="green">497</FONT>    <a name="line.497"></a>
<FONT color="green">498</FONT>    <a name="line.498"></a>
<FONT color="green">499</FONT>        /***<a name="line.499"></a>
<FONT color="green">500</FONT>         * A convenience method to send the SMTP MAIL command to the server,<a name="line.500"></a>
<FONT color="green">501</FONT>         * receive the reply, and return the reply code.<a name="line.501"></a>
<FONT color="green">502</FONT>         * &lt;p&gt;<a name="line.502"></a>
<FONT color="green">503</FONT>         * @param reversePath The reverese path.<a name="line.503"></a>
<FONT color="green">504</FONT>         * @return The reply code received from the server.<a name="line.504"></a>
<FONT color="green">505</FONT>         * @exception SMTPConnectionClosedException<a name="line.505"></a>
<FONT color="green">506</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.506"></a>
<FONT color="green">507</FONT>         *      of the client being idle or some other reason causing the server<a name="line.507"></a>
<FONT color="green">508</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.508"></a>
<FONT color="green">509</FONT>         *      as an IOException or independently as itself.<a name="line.509"></a>
<FONT color="green">510</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.510"></a>
<FONT color="green">511</FONT>         *      command or receiving the server reply.<a name="line.511"></a>
<FONT color="green">512</FONT>         ***/<a name="line.512"></a>
<FONT color="green">513</FONT>        public int mail(String reversePath) throws IOException<a name="line.513"></a>
<FONT color="green">514</FONT>        {<a name="line.514"></a>
<FONT color="green">515</FONT>            return __sendCommand(SMTPCommand.MAIL, reversePath, false);<a name="line.515"></a>
<FONT color="green">516</FONT>        }<a name="line.516"></a>
<FONT color="green">517</FONT>    <a name="line.517"></a>
<FONT color="green">518</FONT>    <a name="line.518"></a>
<FONT color="green">519</FONT>        /***<a name="line.519"></a>
<FONT color="green">520</FONT>         * A convenience method to send the SMTP RCPT command to the server,<a name="line.520"></a>
<FONT color="green">521</FONT>         * receive the reply, and return the reply code.<a name="line.521"></a>
<FONT color="green">522</FONT>         * &lt;p&gt;<a name="line.522"></a>
<FONT color="green">523</FONT>         * @param forwardPath The forward path.<a name="line.523"></a>
<FONT color="green">524</FONT>         * @return The reply code received from the server.<a name="line.524"></a>
<FONT color="green">525</FONT>         * @exception SMTPConnectionClosedException<a name="line.525"></a>
<FONT color="green">526</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.526"></a>
<FONT color="green">527</FONT>         *      of the client being idle or some other reason causing the server<a name="line.527"></a>
<FONT color="green">528</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.528"></a>
<FONT color="green">529</FONT>         *      as an IOException or independently as itself.<a name="line.529"></a>
<FONT color="green">530</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.530"></a>
<FONT color="green">531</FONT>         *      command or receiving the server reply.<a name="line.531"></a>
<FONT color="green">532</FONT>         ***/<a name="line.532"></a>
<FONT color="green">533</FONT>        public int rcpt(String forwardPath) throws IOException<a name="line.533"></a>
<FONT color="green">534</FONT>        {<a name="line.534"></a>
<FONT color="green">535</FONT>            return __sendCommand(SMTPCommand.RCPT, forwardPath, false);<a name="line.535"></a>
<FONT color="green">536</FONT>        }<a name="line.536"></a>
<FONT color="green">537</FONT>    <a name="line.537"></a>
<FONT color="green">538</FONT>    <a name="line.538"></a>
<FONT color="green">539</FONT>        /***<a name="line.539"></a>
<FONT color="green">540</FONT>         * A convenience method to send the SMTP DATA command to the server,<a name="line.540"></a>
<FONT color="green">541</FONT>         * receive the reply, and return the reply code.<a name="line.541"></a>
<FONT color="green">542</FONT>         * &lt;p&gt;<a name="line.542"></a>
<FONT color="green">543</FONT>         * @return The reply code received from the server.<a name="line.543"></a>
<FONT color="green">544</FONT>         * @exception SMTPConnectionClosedException<a name="line.544"></a>
<FONT color="green">545</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.545"></a>
<FONT color="green">546</FONT>         *      of the client being idle or some other reason causing the server<a name="line.546"></a>
<FONT color="green">547</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.547"></a>
<FONT color="green">548</FONT>         *      as an IOException or independently as itself.<a name="line.548"></a>
<FONT color="green">549</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.549"></a>
<FONT color="green">550</FONT>         *      command or receiving the server reply.<a name="line.550"></a>
<FONT color="green">551</FONT>         ***/<a name="line.551"></a>
<FONT color="green">552</FONT>        public int data() throws IOException<a name="line.552"></a>
<FONT color="green">553</FONT>        {<a name="line.553"></a>
<FONT color="green">554</FONT>            return sendCommand(SMTPCommand.DATA);<a name="line.554"></a>
<FONT color="green">555</FONT>        }<a name="line.555"></a>
<FONT color="green">556</FONT>    <a name="line.556"></a>
<FONT color="green">557</FONT>    <a name="line.557"></a>
<FONT color="green">558</FONT>        /***<a name="line.558"></a>
<FONT color="green">559</FONT>         * A convenience method to send the SMTP SEND command to the server,<a name="line.559"></a>
<FONT color="green">560</FONT>         * receive the reply, and return the reply code.<a name="line.560"></a>
<FONT color="green">561</FONT>         * &lt;p&gt;<a name="line.561"></a>
<FONT color="green">562</FONT>         * @param reversePath The reverese path.<a name="line.562"></a>
<FONT color="green">563</FONT>         * @return The reply code received from the server.<a name="line.563"></a>
<FONT color="green">564</FONT>         * @exception SMTPConnectionClosedException<a name="line.564"></a>
<FONT color="green">565</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.565"></a>
<FONT color="green">566</FONT>         *      of the client being idle or some other reason causing the server<a name="line.566"></a>
<FONT color="green">567</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.567"></a>
<FONT color="green">568</FONT>         *      as an IOException or independently as itself.<a name="line.568"></a>
<FONT color="green">569</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.569"></a>
<FONT color="green">570</FONT>         *      command or receiving the server reply.<a name="line.570"></a>
<FONT color="green">571</FONT>         ***/<a name="line.571"></a>
<FONT color="green">572</FONT>        public int send(String reversePath) throws IOException<a name="line.572"></a>
<FONT color="green">573</FONT>        {<a name="line.573"></a>
<FONT color="green">574</FONT>            return sendCommand(SMTPCommand.SEND, reversePath);<a name="line.574"></a>
<FONT color="green">575</FONT>        }<a name="line.575"></a>
<FONT color="green">576</FONT>    <a name="line.576"></a>
<FONT color="green">577</FONT>    <a name="line.577"></a>
<FONT color="green">578</FONT>        /***<a name="line.578"></a>
<FONT color="green">579</FONT>         * A convenience method to send the SMTP SOML command to the server,<a name="line.579"></a>
<FONT color="green">580</FONT>         * receive the reply, and return the reply code.<a name="line.580"></a>
<FONT color="green">581</FONT>         * &lt;p&gt;<a name="line.581"></a>
<FONT color="green">582</FONT>         * @param reversePath The reverese path.<a name="line.582"></a>
<FONT color="green">583</FONT>         * @return The reply code received from the server.<a name="line.583"></a>
<FONT color="green">584</FONT>         * @exception SMTPConnectionClosedException<a name="line.584"></a>
<FONT color="green">585</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.585"></a>
<FONT color="green">586</FONT>         *      of the client being idle or some other reason causing the server<a name="line.586"></a>
<FONT color="green">587</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.587"></a>
<FONT color="green">588</FONT>         *      as an IOException or independently as itself.<a name="line.588"></a>
<FONT color="green">589</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.589"></a>
<FONT color="green">590</FONT>         *      command or receiving the server reply.<a name="line.590"></a>
<FONT color="green">591</FONT>         ***/<a name="line.591"></a>
<FONT color="green">592</FONT>        public int soml(String reversePath) throws IOException<a name="line.592"></a>
<FONT color="green">593</FONT>        {<a name="line.593"></a>
<FONT color="green">594</FONT>            return sendCommand(SMTPCommand.SOML, reversePath);<a name="line.594"></a>
<FONT color="green">595</FONT>        }<a name="line.595"></a>
<FONT color="green">596</FONT>    <a name="line.596"></a>
<FONT color="green">597</FONT>    <a name="line.597"></a>
<FONT color="green">598</FONT>        /***<a name="line.598"></a>
<FONT color="green">599</FONT>         * A convenience method to send the SMTP SAML command to the server,<a name="line.599"></a>
<FONT color="green">600</FONT>         * receive the reply, and return the reply code.<a name="line.600"></a>
<FONT color="green">601</FONT>         * &lt;p&gt;<a name="line.601"></a>
<FONT color="green">602</FONT>         * @param reversePath The reverese path.<a name="line.602"></a>
<FONT color="green">603</FONT>         * @return The reply code received from the server.<a name="line.603"></a>
<FONT color="green">604</FONT>         * @exception SMTPConnectionClosedException<a name="line.604"></a>
<FONT color="green">605</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.605"></a>
<FONT color="green">606</FONT>         *      of the client being idle or some other reason causing the server<a name="line.606"></a>
<FONT color="green">607</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.607"></a>
<FONT color="green">608</FONT>         *      as an IOException or independently as itself.<a name="line.608"></a>
<FONT color="green">609</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.609"></a>
<FONT color="green">610</FONT>         *      command or receiving the server reply.<a name="line.610"></a>
<FONT color="green">611</FONT>         ***/<a name="line.611"></a>
<FONT color="green">612</FONT>        public int saml(String reversePath) throws IOException<a name="line.612"></a>
<FONT color="green">613</FONT>        {<a name="line.613"></a>
<FONT color="green">614</FONT>            return sendCommand(SMTPCommand.SAML, reversePath);<a name="line.614"></a>
<FONT color="green">615</FONT>        }<a name="line.615"></a>
<FONT color="green">616</FONT>    <a name="line.616"></a>
<FONT color="green">617</FONT>    <a name="line.617"></a>
<FONT color="green">618</FONT>        /***<a name="line.618"></a>
<FONT color="green">619</FONT>         * A convenience method to send the SMTP RSET command to the server,<a name="line.619"></a>
<FONT color="green">620</FONT>         * receive the reply, and return the reply code.<a name="line.620"></a>
<FONT color="green">621</FONT>         * &lt;p&gt;<a name="line.621"></a>
<FONT color="green">622</FONT>         * @return The reply code received from the server.<a name="line.622"></a>
<FONT color="green">623</FONT>         * @exception SMTPConnectionClosedException<a name="line.623"></a>
<FONT color="green">624</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.624"></a>
<FONT color="green">625</FONT>         *      of the client being idle or some other reason causing the server<a name="line.625"></a>
<FONT color="green">626</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.626"></a>
<FONT color="green">627</FONT>         *      as an IOException or independently as itself.<a name="line.627"></a>
<FONT color="green">628</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.628"></a>
<FONT color="green">629</FONT>         *      command or receiving the server reply.<a name="line.629"></a>
<FONT color="green">630</FONT>         ***/<a name="line.630"></a>
<FONT color="green">631</FONT>        public int rset() throws IOException<a name="line.631"></a>
<FONT color="green">632</FONT>        {<a name="line.632"></a>
<FONT color="green">633</FONT>            return sendCommand(SMTPCommand.RSET);<a name="line.633"></a>
<FONT color="green">634</FONT>        }<a name="line.634"></a>
<FONT color="green">635</FONT>    <a name="line.635"></a>
<FONT color="green">636</FONT>    <a name="line.636"></a>
<FONT color="green">637</FONT>        /***<a name="line.637"></a>
<FONT color="green">638</FONT>         * A convenience method to send the SMTP VRFY command to the server,<a name="line.638"></a>
<FONT color="green">639</FONT>         * receive the reply, and return the reply code.<a name="line.639"></a>
<FONT color="green">640</FONT>         * &lt;p&gt;<a name="line.640"></a>
<FONT color="green">641</FONT>         * @param user The user address to verify.<a name="line.641"></a>
<FONT color="green">642</FONT>         * @return The reply code received from the server.<a name="line.642"></a>
<FONT color="green">643</FONT>         * @exception SMTPConnectionClosedException<a name="line.643"></a>
<FONT color="green">644</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.644"></a>
<FONT color="green">645</FONT>         *      of the client being idle or some other reason causing the server<a name="line.645"></a>
<FONT color="green">646</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.646"></a>
<FONT color="green">647</FONT>         *      as an IOException or independently as itself.<a name="line.647"></a>
<FONT color="green">648</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.648"></a>
<FONT color="green">649</FONT>         *      command or receiving the server reply.<a name="line.649"></a>
<FONT color="green">650</FONT>         ***/<a name="line.650"></a>
<FONT color="green">651</FONT>        public int vrfy(String user) throws IOException<a name="line.651"></a>
<FONT color="green">652</FONT>        {<a name="line.652"></a>
<FONT color="green">653</FONT>            return sendCommand(SMTPCommand.VRFY, user);<a name="line.653"></a>
<FONT color="green">654</FONT>        }<a name="line.654"></a>
<FONT color="green">655</FONT>    <a name="line.655"></a>
<FONT color="green">656</FONT>    <a name="line.656"></a>
<FONT color="green">657</FONT>        /***<a name="line.657"></a>
<FONT color="green">658</FONT>         * A convenience method to send the SMTP VRFY command to the server,<a name="line.658"></a>
<FONT color="green">659</FONT>         * receive the reply, and return the reply code.<a name="line.659"></a>
<FONT color="green">660</FONT>         * &lt;p&gt;<a name="line.660"></a>
<FONT color="green">661</FONT>         * @param name The name to expand.<a name="line.661"></a>
<FONT color="green">662</FONT>         * @return The reply code received from the server.<a name="line.662"></a>
<FONT color="green">663</FONT>         * @exception SMTPConnectionClosedException<a name="line.663"></a>
<FONT color="green">664</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.664"></a>
<FONT color="green">665</FONT>         *      of the client being idle or some other reason causing the server<a name="line.665"></a>
<FONT color="green">666</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.666"></a>
<FONT color="green">667</FONT>         *      as an IOException or independently as itself.<a name="line.667"></a>
<FONT color="green">668</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.668"></a>
<FONT color="green">669</FONT>         *      command or receiving the server reply.<a name="line.669"></a>
<FONT color="green">670</FONT>         ***/<a name="line.670"></a>
<FONT color="green">671</FONT>        public int expn(String name) throws IOException<a name="line.671"></a>
<FONT color="green">672</FONT>        {<a name="line.672"></a>
<FONT color="green">673</FONT>            return sendCommand(SMTPCommand.EXPN, name);<a name="line.673"></a>
<FONT color="green">674</FONT>        }<a name="line.674"></a>
<FONT color="green">675</FONT>    <a name="line.675"></a>
<FONT color="green">676</FONT>        /***<a name="line.676"></a>
<FONT color="green">677</FONT>         * A convenience method to send the SMTP HELP command to the server,<a name="line.677"></a>
<FONT color="green">678</FONT>         * receive the reply, and return the reply code.<a name="line.678"></a>
<FONT color="green">679</FONT>         * &lt;p&gt;<a name="line.679"></a>
<FONT color="green">680</FONT>         * @return The reply code received from the server.<a name="line.680"></a>
<FONT color="green">681</FONT>         * @exception SMTPConnectionClosedException<a name="line.681"></a>
<FONT color="green">682</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.682"></a>
<FONT color="green">683</FONT>         *      of the client being idle or some other reason causing the server<a name="line.683"></a>
<FONT color="green">684</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.684"></a>
<FONT color="green">685</FONT>         *      as an IOException or independently as itself.<a name="line.685"></a>
<FONT color="green">686</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.686"></a>
<FONT color="green">687</FONT>         *      command or receiving the server reply.<a name="line.687"></a>
<FONT color="green">688</FONT>         ***/<a name="line.688"></a>
<FONT color="green">689</FONT>        public int help() throws IOException<a name="line.689"></a>
<FONT color="green">690</FONT>        {<a name="line.690"></a>
<FONT color="green">691</FONT>            return sendCommand(SMTPCommand.HELP);<a name="line.691"></a>
<FONT color="green">692</FONT>        }<a name="line.692"></a>
<FONT color="green">693</FONT>    <a name="line.693"></a>
<FONT color="green">694</FONT>        /***<a name="line.694"></a>
<FONT color="green">695</FONT>         * A convenience method to send the SMTP HELP command to the server,<a name="line.695"></a>
<FONT color="green">696</FONT>         * receive the reply, and return the reply code.<a name="line.696"></a>
<FONT color="green">697</FONT>         * &lt;p&gt;<a name="line.697"></a>
<FONT color="green">698</FONT>         * @param command  The command name on which to request help.<a name="line.698"></a>
<FONT color="green">699</FONT>         * @return The reply code received from the server.<a name="line.699"></a>
<FONT color="green">700</FONT>         * @exception SMTPConnectionClosedException<a name="line.700"></a>
<FONT color="green">701</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.701"></a>
<FONT color="green">702</FONT>         *      of the client being idle or some other reason causing the server<a name="line.702"></a>
<FONT color="green">703</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.703"></a>
<FONT color="green">704</FONT>         *      as an IOException or independently as itself.<a name="line.704"></a>
<FONT color="green">705</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.705"></a>
<FONT color="green">706</FONT>         *      command or receiving the server reply.<a name="line.706"></a>
<FONT color="green">707</FONT>         ***/<a name="line.707"></a>
<FONT color="green">708</FONT>        public int help(String command) throws IOException<a name="line.708"></a>
<FONT color="green">709</FONT>        {<a name="line.709"></a>
<FONT color="green">710</FONT>            return sendCommand(SMTPCommand.HELP, command);<a name="line.710"></a>
<FONT color="green">711</FONT>        }<a name="line.711"></a>
<FONT color="green">712</FONT>    <a name="line.712"></a>
<FONT color="green">713</FONT>        /***<a name="line.713"></a>
<FONT color="green">714</FONT>         * A convenience method to send the SMTP NOOP command to the server,<a name="line.714"></a>
<FONT color="green">715</FONT>         * receive the reply, and return the reply code.<a name="line.715"></a>
<FONT color="green">716</FONT>         * &lt;p&gt;<a name="line.716"></a>
<FONT color="green">717</FONT>         * @return The reply code received from the server.<a name="line.717"></a>
<FONT color="green">718</FONT>         * @exception SMTPConnectionClosedException<a name="line.718"></a>
<FONT color="green">719</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.719"></a>
<FONT color="green">720</FONT>         *      of the client being idle or some other reason causing the server<a name="line.720"></a>
<FONT color="green">721</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.721"></a>
<FONT color="green">722</FONT>         *      as an IOException or independently as itself.<a name="line.722"></a>
<FONT color="green">723</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.723"></a>
<FONT color="green">724</FONT>         *      command or receiving the server reply.<a name="line.724"></a>
<FONT color="green">725</FONT>         ***/<a name="line.725"></a>
<FONT color="green">726</FONT>        public int noop() throws IOException<a name="line.726"></a>
<FONT color="green">727</FONT>        {<a name="line.727"></a>
<FONT color="green">728</FONT>            return sendCommand(SMTPCommand.NOOP);<a name="line.728"></a>
<FONT color="green">729</FONT>        }<a name="line.729"></a>
<FONT color="green">730</FONT>    <a name="line.730"></a>
<FONT color="green">731</FONT>    <a name="line.731"></a>
<FONT color="green">732</FONT>        /***<a name="line.732"></a>
<FONT color="green">733</FONT>         * A convenience method to send the SMTP TURN command to the server,<a name="line.733"></a>
<FONT color="green">734</FONT>         * receive the reply, and return the reply code.<a name="line.734"></a>
<FONT color="green">735</FONT>         * &lt;p&gt;<a name="line.735"></a>
<FONT color="green">736</FONT>         * @return The reply code received from the server.<a name="line.736"></a>
<FONT color="green">737</FONT>         * @exception SMTPConnectionClosedException<a name="line.737"></a>
<FONT color="green">738</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.738"></a>
<FONT color="green">739</FONT>         *      of the client being idle or some other reason causing the server<a name="line.739"></a>
<FONT color="green">740</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.740"></a>
<FONT color="green">741</FONT>         *      as an IOException or independently as itself.<a name="line.741"></a>
<FONT color="green">742</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.742"></a>
<FONT color="green">743</FONT>         *      command or receiving the server reply.<a name="line.743"></a>
<FONT color="green">744</FONT>         ***/<a name="line.744"></a>
<FONT color="green">745</FONT>        public int turn() throws IOException<a name="line.745"></a>
<FONT color="green">746</FONT>        {<a name="line.746"></a>
<FONT color="green">747</FONT>            return sendCommand(SMTPCommand.TURN);<a name="line.747"></a>
<FONT color="green">748</FONT>        }<a name="line.748"></a>
<FONT color="green">749</FONT>    <a name="line.749"></a>
<FONT color="green">750</FONT>    <a name="line.750"></a>
<FONT color="green">751</FONT>        /***<a name="line.751"></a>
<FONT color="green">752</FONT>         * A convenience method to send the SMTP QUIT command to the server,<a name="line.752"></a>
<FONT color="green">753</FONT>         * receive the reply, and return the reply code.<a name="line.753"></a>
<FONT color="green">754</FONT>         * &lt;p&gt;<a name="line.754"></a>
<FONT color="green">755</FONT>         * @return The reply code received from the server.<a name="line.755"></a>
<FONT color="green">756</FONT>         * @exception SMTPConnectionClosedException<a name="line.756"></a>
<FONT color="green">757</FONT>         *      If the SMTP server prematurely closes the connection as a result<a name="line.757"></a>
<FONT color="green">758</FONT>         *      of the client being idle or some other reason causing the server<a name="line.758"></a>
<FONT color="green">759</FONT>         *      to send SMTP reply code 421.  This exception may be caught either<a name="line.759"></a>
<FONT color="green">760</FONT>         *      as an IOException or independently as itself.<a name="line.760"></a>
<FONT color="green">761</FONT>         * @exception IOException  If an I/O error occurs while either sending the<a name="line.761"></a>
<FONT color="green">762</FONT>         *      command or receiving the server reply.<a name="line.762"></a>
<FONT color="green">763</FONT>         ***/<a name="line.763"></a>
<FONT color="green">764</FONT>        public int quit() throws IOException<a name="line.764"></a>
<FONT color="green">765</FONT>        {<a name="line.765"></a>
<FONT color="green">766</FONT>            return sendCommand(SMTPCommand.QUIT);<a name="line.766"></a>
<FONT color="green">767</FONT>        }<a name="line.767"></a>
<FONT color="green">768</FONT>    <a name="line.768"></a>
<FONT color="green">769</FONT>    }<a name="line.769"></a>
<FONT color="green">770</FONT>    <a name="line.770"></a>
<FONT color="green">771</FONT>    /* Emacs configuration<a name="line.771"></a>
<FONT color="green">772</FONT>     * Local variables:        **<a name="line.772"></a>
<FONT color="green">773</FONT>     * mode:             java  **<a name="line.773"></a>
<FONT color="green">774</FONT>     * c-basic-offset:   4     **<a name="line.774"></a>
<FONT color="green">775</FONT>     * indent-tabs-mode: nil   **<a name="line.775"></a>
<FONT color="green">776</FONT>     * End:                    **<a name="line.776"></a>
<FONT color="green">777</FONT>     */<a name="line.777"></a>




























































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